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The Texas Commission on Environmental Quality's (TCEQ's) General Permit (TXR050000) to discharge under the Texas Pollutant Discharge Elimination System (TPDES) expired on August 14, 2016 and the new Multi-Sector General Permit (MSGP) went into effect. Industrial facilities required to have a stormwater pollution prevention plan (SWPPP), i.e., facilities with stormwater discharges associated with industrial activity as defined in 40 CFR §122.26(b)(14), will need to revise their SWPPPs within 90 days to be compliant with the new MSGP.

Decreases to the required numerical effluent limits for facility specific SIC and Sector-specific designations (the designation of specific primary industrial activity that occurs at the facility as defined in the MSGP)